<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Vue 测试实例 - 菜鸟教程(runoob.com)</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
    <style>
        .active {
            width: 100px;
            height: 100px;
            background: green;
        }
        .text-danger {
            background: red;
        }
    </style>
</head>
<body>
<div id="app">
    <div class="static"
         v-bind:class="{ active: isActive, 'text-danger': hasError }">
    </div>
</div>

<script>
    new Vue({
        el: '#app',
        data: {
            isActive: true,
            hasError: true
        }
    })
</script>
</body>
</html>